html,
body{
  min-height: 100%;
  font-family: "微軟正黑體";
}

.menu{
  padding: 20px;
  position: fixed;
}
.menu .downloadWrap{
  display: inline-block;
  margin-left: 5px;
  padding-left: 10px;
  border-left: 5px solid #ccc;
}
.menu .fileName{
  font-size: inherit;
  padding: 6px 7px;
  border-radius: 5px;
  border: 1px solid #CCC;
  outline: none;
  vertical-align: middle;
}
#downloadLinkWrap{
  display: inline-block;  
}
.menu .loadFile{
  position: relative;
}
.menu .loadFile input{
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  right: 0;
  margin: 0;
  opacity: 0;    
  cursor: pointer;
}
.minMapWrap,
.mindMap{
  width: 100%;
  height: 700px;
}
.mindMap{
  background: #eee;
}
rect {
  fill: none;
  pointer-events: all;
}
line {
  stroke: #000;
  stroke-width: 1.5px;
}
.node circle {
  fill: #fff;
  stroke: steelblue;
  stroke-width: 1.5px;
}
.node {
  position: relative;
  display: inline-block;
  font: 10px sans-serif;
}
.link {
  fill: none;
  stroke: #ccc;
  stroke-width: 1.5px;
}
.function-btn{    
  opacity: 0;
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;  
  transition: all 0.5s ease;
}
.function-btn.add{  
  fill: #57D37E;  
}
.function-btn.remove{  
  fill: #E97979;  
}
.function-btn.edit{  
  fill: #79AFE9;  
}
g:hover > .function-btn{
  opacity: 1;
}
.function-bg{
  cursor: pointer;  
}